NAICS 334290: Other Communications Equipment Manufacturing
This industry comprises establishments primarily engaged in manufacturing communications equipment (except telephone apparatus, radio and television broadcast equipment, and wireless communications equipment).

Illustrative Examples:

Fire detection and alarm systems manufacturing
Signals (e.g., highway, pedestrian, railway, traffic) manufacturing
Intercom systems and equipment manufacturing
Video-based stadium displays manufacturing 

ExioML sector: Electrical machinery and apparatus n.e.c. (31)
Region: US | Year: 2022
Sector value added: 68675.5386579 M EUR | Employment: 809.436143123 thousand persons
Sector GHG emissions: 3051654294.78 kg CO2 eq | Energy carrier net total: 101481.364669 TJ | Carbon intensity: 0.04443582612408031

Company: Simplexgrinnell Holdings LLC
SimplexGrinnell Holdings Inc. operates as a holding company. The Company, through its subsidiaries, manufactures and distributes fire safety devices, security systems, and emergency communication systems. SimplexGrinnell Holdings serves to education, government, healthcare, and industrial sectors worldwide.